This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A274375 #9 Oct 31 2017 12:39:39
%S A274375 0,2,3,4,5,6,7,8,10,11,12,13,14,15,16,18,21,22,24,26,28,29,33,34,36,
%T A274375 39,40,42,44,47,54,55,58,63,65,68,72,76,77,87,89,94,102,104,105,110,
%U A274375 116,123,126,141,144,152,165,168,170,178,188,198,199,203,228,233
%N A274375 Products of 2 distinct Fibonacci numbers and products of two distinct Lucas numbers (including 2), arranged in increasing order.
%C A274375 Are 2,3,6,8,21 the only numbers that are a product of two distinct Fibonacci numbers and also a product of two distinct Lucas numbers (including 2)?
%H A274375 G. C. Greubel, <a href="/A274375/b274375.txt">Table of n, a(n) for n = 1..5000</a>
%t A274375 z = 400; f[n_] := Fibonacci[n];
%t A274375 s = Join[{0}, Take[Sort[Flatten[Table[f[m] f[n], {n, 2, z}, {m, 2, n - 1}]]], z]]
%t A274375 g[n_] := LucasL[n - 1]; t = Take[Sort[Flatten[Table[g[u] g[v], {u, 1, z}, {v, 1, u - 1}]]], z]
%t A274375 Union[s, t]
%Y A274375 Cf. A049862, A274349, A274374.
%K A274375 nonn,easy
%O A274375 1,2
%A A274375 _Clark Kimberling_, Jun 19 2016